vuba.find_contours

vuba.find_contours(img, *args, **kwargs)[source]

Convenience function for contour detection.

This function accounts for the OpenCV version supplied and executes accordingly.

Parameters

  • img (ndarray) – Grayscale image to perform contour detection on.

  • *args (tuple) – Additional arguments cv2.findContours will require.

  • *kwargs (tuple) – Additional keyword arguments cv2.findContours will require.

Returns

  • contours (ndarray) – An array of contours detected.

  • hierarchy (ndarray) – Corresponding hierarchy information to the contours detected.

Raises

ValueError – If the supplied image is not grayscale or has greater than 2 channels.